Gregofacsimil + neumes from H + rsigns according to H. Verse from H. It seems to me that the reference to Justus judex after the V/, as found in H, is musically excellent, so I suggest to keep it only for the second reprisal, BR having "Quam".

TODO: add vssut1 to NABC and recompile (or optionally, change it to prS, add prS == vssut1 and recompile)